Home / 890,796.30-1,336,291.65-862,802.70

Finding the Fourth Proportional to 890,796.30, 1,336,291.65 and 862,802.70

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Solution

The fourth proportional to 890,796.30, 1,336,291.65 and 862,802.70 is: 1,294,298.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,796.30 : 1,336,291.65 = 862,802.70 : x
  2. Step 2: Convert to fraction form
    890,796.30/1,336,291.65 = 862,802.70/x
  3. Step 3: Cross multiply
    890,796.30x = 1,336,291.65 × 862,802.70
  4. Step 4: Simplify right side
    890,796.30x = 1,152,956,043,607.45
  5. Step 5: Solve for x
    x = 1,152,956,043,607.45/890,796.30
  6. Step 6: Final answer
    x = 1,294,298.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.